HMSTG44 (containing CG 22, BRAN 154, FEST 2-16 and several entries in the PGCC catalog) is the dark nebula running from the top to the bottom of the image. At Dec -33, this one is in Pyxis near the border of Puppis. More information on HMSTG catalog of “southern dark clouds” can be found here - http://articles.adsabs.harvard.edu/pdf/1986A%26AS...63...27H.
Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2
240 minutes total exposure – 4 hours
Imaged on January 15th and 16th, 2021 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.
LRGB - https://www.flickr.com/photos/dcrowson/51152992347/sizes/l/